NAG Library Manual, Mark 27
Interfaces:  FL   CL   CPP   AD 
NAG CPP Interface Introduction
Namespace: nagcpp
Namespace: opt
Class: CommE04WB
Method: setter_differenceinterval

NAG CPP Interface
opt::CommE04WB::setter_differenceinterval

NAG Library Manual, Mark 27
Interfaces:  FL   CL   CPP   AD 
NAG CPP Interface Introduction
Namespace: nagcpp
Namespace: opt
Class: CommE04WB
Method: setter_differenceinterval

▸▿ Contents

© The Numerical Algorithms Group Ltd. 2020

1 Description

This option defines an interval used to estimate derivatives by finite differences in the following circumstances
Used by: differenceinterval in e04ucf and e04uff (no CPP interface).
CommE04WB::setter_differenceinterval returns a reference to the communication class itself.

2 Specification

CommE04WB&  DifferenceInterval(double value = Default values are computed )
CommE04WB&  DifferenceInterval(double value = Default values are computed , OptionalE04UE opt)

3 Arguments

1: value – double Scalar
On entry: the required value of the argument.
Default:
Default values are computed
2: opt – OptionalE04UE Scalar
Optional argument container, derived from Optional.
© The Numerical Algorithms Group Ltd. 2020